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Guide for changing cambelt ?

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Old 25 August 2007, 12:32 PM
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340BHP-WRX
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Default Guide for changing cambelt ?

Anyone know where I can download a guide on how to change an Impreza cambelt ?
Old 25 August 2007, 01:03 PM
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jaytc2003
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email sent to profile address
Old 25 August 2007, 03:24 PM
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Shark Man
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Two things any guide won't tell you:

One: how to undo the crank bolt (normal thread). Nut runner or a long arm against the passenger's side chassis rail with assistance from the starter motor.

Two; double checking the timing/belt alignment using an old car door mirror glass, if your paying attention, its quite easy to get it one tooth out once its been tensioned.
Old 25 August 2007, 04:50 PM
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Originally Posted by jaytc2003
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Thanks mate
Old 25 August 2007, 04:51 PM
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Originally Posted by Shark Man
Two things any guide won't tell you:

One: how to undo the crank bolt (normal thread). Nut runner or a long arm against the passenger's side chassis rail with assistance from the starter motor.

Two; double checking the timing/belt alignment using an old car door mirror glass, if your paying attention, its quite easy to get it one tooth out once its been tensioned.
I should have mentioned the engine is now out of the car.

How do I undo the crank bolt with the engine out then ? Special tool or something ?
Old 25 August 2007, 04:53 PM
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on a spare that I have I jammed the flywheel, its not easy to do when sat on a pallet!!
Old 25 August 2007, 06:24 PM
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Shark Man
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In hindsight...next time undo the crank pulley with the engine in the car connected to the gearbox, handbrake on hard, 5th/4th gear and a LONG breaker bar.

Otherwise your only hope with teh engine out is decent impact wrench, or find something to jam the flywheel so you can use the breaker bar.

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Old 25 August 2007, 07:25 PM
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Originally Posted by Shark Man
In hindsight...next time undo the crank pulley with the engine in the car connected to the gearbox, handbrake on hard, 5th/4th gear and a LONG breaker bar.

Otherwise your only hope with teh engine out is decent impact wrench, or find something to jam the flywheel so you can use the breaker bar.
So it might be easier to fit the engine into the car,then change the cambelt ?
Old 25 August 2007, 09:13 PM
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Shark Man
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Its only marginally easier to remove the pulley with the engine in - that's all....its easier to replace and time up the belt with the engine out. So its a no win situation.

Find someone with an impact wrench if your truely stuck.
Old 25 August 2007, 09:23 PM
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i used a 1/2 inch extension bar on the flywheel side to jam it. Then lots of presure on the pulley side to loosen it
Old 25 August 2007, 09:28 PM
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Originally Posted by jaytc2003
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any chance i can get a copy of this please m_cox_80@hotmail.com

matt
Old 26 August 2007, 12:01 AM
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albob
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not from an impreza (its an SVX), but may be similar!

HowTo's

alan
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